CBSE 2026 · Region 5 · Set 1 · Q21 · 2 marks
(a)Write any two fat soluble vitamins.(b)How will you confirm the presence of five - OH groups in a glucose molecule, which are attached to different carbon atoms ?
(a)
Write any two fat soluble vitamins.
(b)
How will you confirm the presence of five - OH groups in a glucose molecule, which are attached to different carbon atoms ?
Marking-scheme solution
(a)
Vitamin A,D, E, K .
(b)
Acetylation of glucose with acetic anhydride gives stable glucose pentaacetate
which confirms the presence of five –OH groups /
BiomoleculesVitaminsRemembervery_short_answereasy
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CBSE Class 12 Chemistry past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.